/** 滚屏 **/
ul.scroll {
    width: 15px;
    float: right;
    display:block;
    position:fixed;
    top:40%;
    right:0;
    _position:absolute;
    _margin-top:300px;
    _top:expression(eval(document.documentElement.scrollTop));
    z-index: 6;
}
.sct {background: url(scroll.png);}
.scb {background: url(scroll.png) 0 40px;}
.scc {background: url(scroll.png) 0 80px;}
.scroll_t,.scroll_c,.scroll_b{
    width: 80px;
    height:40px;
    line-height:40px;
    text-align:center;
    cursor: pointer;
    border-radius: 5px 0 0 5px;
    box-shadow:0 2px 2px 1px #666;
}
.scroll_t{
    background: #d03f42;
}
.scroll_b{
    background: #383838;
}
.scroll_c{
    background: #467ebd;
}
ul.scroll li {
    position: relative;
    height:40px;
    width: 15px;
    float: right;
}
ul.scroll li a{
    display: block;
    color:#fff;
}
ul.scroll li div {
    display: none;
    position: absolute;
    top: 0;
    right: 0;
}